M:tG card similarity search
3R · Enchantment
At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional {R}. If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana instead of any other type.
| Name | Mana | Type | Text |
|---|---|---|---|
| Weigh Down | B | Sorcery | As an additional cost to cast this spell, exile a creature card from your graveyard. Target creature gets -3/-3 until end of turn. |
| Tattermunge Witch | 1R/G | Creature — Goblin Shaman | {R}{G}: Each blocked creature gets +1/+0 and gains trample until end of turn. 2/1 |
| Braid of Fire | 1R | Enchantment | Cumulative upkeep—Add {R}. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) |
| Runaway Growth | 3G | Enchantment — Aura | Starting intensity 1 Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional amount of {G} equal to Runaway Growth's intensity. Then Runaway Growth intensifies by 1. |
| Slice from the Shadows | XB | Instant | This spell can't be countered. (This includes by the ward ability.) Target creature gets -X/-X until end of turn. |
| Lethargy Trap | 3U | Instant — Trap | If three or more creatures are attacking, you may pay {U} rather than pay this spell's mana cost. Attacking creatures get -3/-0 until end of turn. |
| Captain's Hook | 3 | Artifact — Equipment | Equipped creature gets +2/+0, has menace, and is a Pirate in addition to its other creature types. Whenever Captain's Hook becomes unattached from a permanent, destroy that permanent. Equip {1} |
| Infused Arrows | 4 | Artifact | Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {T}, Remove X charge counters from Infused Arrows: Target creature gets -X/-X until end of turn. |
| Tavern Brawler | 2R | Legendary Enchantment — Background | Commander creatures you own have "At the beginning of your upkeep, exile the top card of your library. This creature gets +X/+0 until end of turn, where X is that card's mana value. You may play that card this turn." |
| Sicken | B | Enchantment — Aura | Enchant creature Enchanted creature gets -1/-1. Cycling {2} ({2}, Discard this card: Draw a card.) |